Spline for a wall panel system



FIG. 1 is a broken top perspective view of a spline for a wall panel system according to our new design;

FIG. 2 broken bottom perspective view of the spline for a wall panel system of FIG. 1;

FIG. 3 is a front elevational view of the spline for a wall panel system of FIG. 1;

FIG. 4 is a broken top plan view of the spline for a wall panel system of FIG. 1;

FIG. 5 is a broken bottom plan view of the spline for a wall panel system of FIG. 1; and,

FIG. 6 is a broken side elevational view of the spline for a wall panel system of FIG. 1.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a spline for a wall panel system, as shown and described. 